Lennox SLP99V Variable-Capacity Gas Furnace

Lennox SLP99V Variable-Capacity Gas Furnace – New & Improved Replacement for SLP98

The quietest and most efficient furnace you can buy.

The Ultimate Side of Perfect Air
Not only is the SLP99V gas furnace part of the Dave Lennox Signature® Collection, it’s part of the Ultimate Comfort System™. Which combines the best of everything Lennox has to offer to create an unprecedented whole-home comfort system that seamlessly and intelligently works together to stay finely tuned to your home and deliver consistently clean, perfect air.

Features and Benefits
Energy Efficiency

The quietest and most efficient furnace you can buy

Energy Star
Proper sizing and installation of equipment is critical to achieve optimal performance. Split system air conditioners and heat pumps (excluding ductless systems) must be matched with appropriate coil components to meet ENERGY STAR criteria. Ask your contractor for details or visit www.energystar.gov.

Beyond Quiet
Even with all of its impressive power, this furnace is the quietest you can buy and has been engineered to run at variable speed to drastically minimize the sound of air kicking on or off inside the home.

Smarter Together
With the help of the Lennox S40 Smart Thermostat ultra smart thermostat, the SLP99V gas furnace unlocks a world of connectivity. It stays finely tuned to your home by using sensors to react, diagnose, and troubleshoot—all while remaining in constant contact with your dealer to ensure proactive responses. Geofencing technology ensures your air turns on and off as you come and go. And the system even responds to the outdoor environment to adjust operation to account for factors like pollen and outdoor air quality.

Based on sound pressure levels during steady-state, high-fire and low-fire operation of Lennox® SLP99UH070XV36B as of March 2020 at mid-point temperature rise and minimum external static pressure when set up per Section 4.4.4 of AHRI 260-2012. Based on AFUE efficiency rating of Lennox SLP99UH090XV60C and leading competitive units listed in AHRI directory as of December 2019. Efficiency ratings established per test standard ANSI/ASHRAE 103-1993.

Feature

SLP99V Variable-Capacity Gas Furnace

Rating 4.5 out of 5 stars (772 Reviews)
Tax Credit Eligible Available
Energy Efficiency Up to 99% AFUE
ENERGY STAR® Certified Available
Stages of Heating Modulating
Quiet Operation SilentComfort™ Technology and Fully Insulated Cabinet
Motor Variable Speed
Enhanced Humidity Control Available
Blower Compartment Insulated
Air Filter and Humidifier Compatible Available
Ultra-Low Continuous Fan Available
Dual-Fuel Capable Available
Ignition SureLight® Silicon Nitride Ignitor
Parts Warranty Dave Lennox Signature® Collection models come with a 10-Year Limited Warranty on covered components. Furnace heat exchangers offer either 20-Year or Lifetime Limited Warranty.

Lennox SLP99V Variable-Capacity Gas Furnace

The Lennox SLP99V Variable-Capacity Gas Furnace is engineered for high-efficiency and precise comfort in residential and light commercial environments. Its variable-capacity operation delivers consistent warmth while minimizing temperature fluctuations. Equipped with advanced comfort control technology, the SLP99V maintains your space’s temperature accurately, reducing energy waste and ensuring reliable performance throughout the year.

Technical Specifications

  • Variable-capacity gas furnace
  • High-efficiency operation
  • Precision temperature control
  • Quiet operation with variable-speed blower
  • Durable heat exchangers for long-term performance

Common Applications

  • Residential homes seeking high-efficiency heating
  • Light commercial spaces with climate control requirements
  • Warehouses or distribution centers requiring consistent temperature
  • Industrial facilities with moderate heating needs
  • Facility and maintenance environments where reliable heating is critical

Safety and Stability

The SLP99V includes built-in safety measures such as high-limit temperature protection and automatic shutoff. These features provide stable and reliable operation, giving peace of mind for both homeowners and facility managers.

Key Benefits

  • Energy-efficient variable-capacity operation
  • Precise temperature control for consistent comfort
  • Quiet and stable performance
  • Durable design for long-term reliability
  • Flexible installation in residential or light commercial settings

Frequently Asked Questions

What is the efficiency rating of the SLP99V?

The SLP99V operates at high efficiency, helping reduce energy costs while maintaining consistent heating performance.

Can the SLP99V be used in commercial or industrial spaces?

Yes, it is suitable for light commercial applications and facilities requiring reliable heating, while primarily designed for residential use.

Ordering and Shipping

For professional installation, pricing, and availability of the Lennox SLP99V Variable-Capacity Gas Furnace, please contact Cozy Comfort Plus. Our team will provide detailed guidance and support. Visit https://cozycomfortplus.com/ to request a quote or learn more about your options.